Biophysics

Jan Ehrhardt,Cristian Lorenz's 4D Modeling and Estimation of Respiratory Motion for PDF

By Jan Ehrhardt,Cristian Lorenz

ISBN-10: 3642364403

ISBN-13: 9783642364402

ISBN-10: 364244606X

ISBN-13: 9783642446061

respiration movement reasons a tremendous uncertainty in radiotherapy making plans of the thorax and top stomach. the most aim of radiation remedy is to get rid of or diminish tumor cells with out harmful the encircling tissue by means of providing a excessive radiation dose to the tumor sector and a dose as little as attainable to fit organ tissues. assembly this call for is still a problem in particular in case of lung tumors because of breathing-induced tumor and organ movement the place movement amplitudes can degree as much as a number of centimeters. as a result, modeling of breathing movement has turn into more and more very important in radiation treatment. With 4D imaging strategies spatiotemporal photograph sequences may be received to enquire dynamic approaches within the patient’s physique. additionally, photograph registration allows the estimation of the breathing-induced movement and the outline of the temporal swap in place and form of the buildings of curiosity through setting up the correspondence among photos bought at assorted stages of the respiring cycle. In radiation remedy those movement estimations are used to outline actual therapy margins, e.g. to calculate dose distributions and to advance prediction versions for gated or robot radiotherapy. during this ebook, the expanding position of picture registration and movement estimation algorithms for the translation of advanced 4D scientific photo sequences is illustrated. varied 4D CT picture acquisition recommendations and conceptually assorted movement estimation algorithms are awarded. The scientific relevance is tested through instance functions that are concerning the radiation treatment of thoracic and belly tumors. The cutting-edge and views are proven through an perception into the present box of study. The publication is addressed to biomedical engineers, scientific physicists, researchers and physicians operating within the fields of scientific photograph research, radiology and radiation therapy.

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4D Modeling and Estimation of Respiratory Motion for Radiation Therapy (Biological and Medical Physics, Biomedical Engineering) by Jan Ehrhardt,Cristian Lorenz


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